Hangzhou Leap Chem Co., Ltd. is one of the most professional manufacturers and suppliers of light stabilizer 622丨cas 65447-77-0 in China. Welcome to wholesale bulk high quality chemical products at competitive price from our factory. If you have any enquiry about custom service, please feel free to email us.
Specifications
| Appearance: | White powder granules |
| Melting point: | 50-70℃ |
| Volatiles: | 0.5% max |
| Ash: | 0.1% max |
| Clarity: | Clear |
| Light Transmittance (425nm): | 97.0% min |
| Light Transmittance (450nm): | 98.0% min |
Applications
Light Stabilizer 622 is a highly effective hindered amine light stabilizer (HALS) widely used in polymer and plastic industries to protect materials from degradation caused by ultraviolet (UV) light exposure. It is commonly incorporated into polyolefins, polyesters, polyurethanes, and engineering plastics to enhance durability, maintain mechanical properties, and prevent discoloration, cracking, or brittleness. The stabilizer is also used in coatings, adhesives, and elastomers, where long-term light and thermal stability are critical. Additionally, Light Stabilizer 622 finds applications in the production of outdoor products such as automotive parts, packaging films, agricultural films, and construction materials, where prolonged exposure to sunlight can otherwise accelerate aging and reduce service life.
Benefits
Light Stabilizer 622 offers superior protection due to its ability to scavenge free radicals and inhibit photo-oxidative degradation in polymers. Its hindered amine structure ensures high efficiency in preventing UV-induced chain scission and discoloration, even at low concentrations. The stabilizer is compatible with a wide range of polymer matrices, exhibits excellent thermal stability during processing, and does not adversely affect material transparency or color. Its long-lasting effect helps extend the service life of polymer products, reduces maintenance costs, and enhances material performance under harsh environmental conditions. Moreover, it is chemically stable, non-volatile, and resistant to extraction, ensuring sustained protection over time.
Conclusion
Light Stabilizer 622 is an essential additive for protecting polymers, plastics, coatings, and elastomers from UV-induced degradation. Its hindered amine structure, high efficiency, and compatibility with various materials make it indispensable for prolonging durability, maintaining aesthetic and mechanical properties, and ensuring long-term performance of outdoor and high-exposure products. The stabilizer continues to be widely used in industrial and consumer applications where light and thermal stability are critical.
